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October 16th 03 06:53 AM
by Leo
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0 |
2,162 |
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Lowest magnitude possible? by
Ioannis
I seem to recall a formula that gives the lowest magnitude for apertures
of diameter D, as log something, from the FAQ. (I kept the formula on my
second HD,...
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9 |
855 |
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October 16th 03 01:07 AM
by Edward
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134 |
4,340 |
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This. . .is. . .JEOPARDY! by
Starstuffed
Category: Amateur Astronomy
Amounts: $100 to $500
$100
Answer: Shawn and Mick
$200
Answer: Coulter and Dynascope
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8 |
918 |
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cleaning a c-14 mirror by
doug glas
what is the best way to clean a mirror in a c-14 ? and what to clean
it with.
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8 |
698 |
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8 |
997 |
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98 degree fov binoculars from Orion? by
Darren Drake
Orion is claiming a 98 degree aparrent fov 7X32 binoculars for $119.
It advertises a 14 degree fov which does translate into a 98 degree
aparrent fov. I've...
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6 |
637 |
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Excellent Service from Tele-Vue by
Aaron Bransky
From time to time I've read here and elsewhere that TeleVue's service
is excellent. I recently found that to be true.
I have a visual Paracorr, and due to my...
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1 |
788 |
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Hardin Optical 8" Dobsonian Telescope by
Norvin Adams III
http://hardinoptical.com/
I called Hardin Optical yesterday afternoon toll-free at (877) 633-8235 and
ordered a new 8" Dobsonian for $384 shipped from Oregon...
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7 |
1,502 |
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Shenzhou V obs. by
Stan Jensen
Following a tip from Spaceweather.com, I got outside around 7:20am and
found a nice southern horizon.
In the brightening morning twilight, suddenly from just...
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5 |
966 |
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Aurora Tonight by
Michael A. Covington
Thanks for the alert. I'm cross-posting this on sci.astro.amateur because
this indicates a good chance of an aurora in the United States. England is
farther...
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6 |
1,258 |
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Yucca Valley = No Go by
Starlord
I should have known that the trip to there on Oct.25th I was planing would have
come to a crashing end!
Today stated off fine and most of the day it went ok,...
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October 15th 03 05:29 PM
by Al Hall
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1 |
599 |
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ET Shadow by
Thierry
Hi,
If you are interested in taking part in an experiment with Electric Thruster
Ion Plasma Engine tests onboard ISS
check...
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October 15th 03 10:26 AM
by Thierry
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1 |
661 |
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Sky Atlas 2000, Which One? by
Chris S
I am looking at these star charts as my first "real" set of star charts.
There are a number of different versions of this out there and I would love
some...
( 1 2)
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12 |
1,010 |
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1 |
604 |
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More than one scope?? by
V35B
I have an ETX 105. It is a wonderful instrument for viewing planetary
objects. You can also get a view of some deep sky objects. They are
dim and are not...
( 1 2)
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17 |
748 |
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Q. regarding light pollution filters by
Rets
Greetings group.
Recently I posted about my exciting experiences as a (very) newbie
amateur astronomer with my newly purchased Orion XT4.5. Living within
NYC...
( 1 2)
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October 15th 03 05:27 AM
by Jim
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11 |
1,343 |
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UFO Release 1 by
RDButler
Release 1
From: Collective First Contact Project- DOMA Special Actions Group
Location: Theophilus Crater Region
Distribution - Earth Internet,...
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4 |
765 |
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0 |
557 |
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Daytime Collimation? by
Dan Wenz
Is there any reason why star-collimation at night via stars seems to be
the way most folks are doing it rather than on a small
ball/ornament/bearing at an...
( 1 2)
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15 |
1,281 |